Yahoo Messanger for jar mobile v.1.3.jar - yahoo messenger for java phones (must see)
Free Yahoo Messenger for your handphone and connect directly to Yahoo's server. You can make conference, add or delete contact, set or view the status and send message to group or several selected contact

This Messenger is also skinnable, you can change the UI skins from the setting menu. View others status from the text banner on the top and set your own status or set the custom status.